production by BEE cells. Cell culture medium was harvested 6 h after addition of treatments and concentrations of PGs were analyzed by ELISA. Treatments included, Control, C; IFNT, I; Oxytocin, O; Oxytocin and IFNT, O&I, Bromoenol lactone, B; and Oxytocin and Bromoenol lactone, O&B. Treatments were performed in triplicate and repeated (n = 6). Data are expressed as means and SEM. Columns with different superscripts are significantly different (p < 0.05).